Weather History for Portsmouth, NH

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Tuesday, August 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 75 °F 79 °F 95 °F (2002)
Min Temperature 61 °F 61 °F 46 °F (1987)
Cooling Degree Days 2    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 81    
Maximum Humidity 93    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 6 mph (SE)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 12, 2014 Rise Set
Actual Time 5:45 AM EDT 7:50 PM EDT
Civil Twilight 5:14 AM EDT 8:21 PM EDT
Nautical Twilight 4:36 AM EDT 8:59 PM EDT
Astronomical Twilight 3:54 AM EDT 9:40 PM EDT
Moon 8:49 PM EDT (8/12) 8:04 AM EDT (8/12)
Length of Visible Light 15h 06m
Length of Day
14h 04m
Waning Gibbous, 95% of the Moon is Illuminated
Aug 12
Waning Gibbous
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 66.9 °F 59.0 °F 76% 30.11 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
1:58 AM 66.2 °F 59.4 °F 79% 30.11 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
2:58 AM 66.4 °F 59.7 °F 79% 30.11 in 10.0 mi West 2.3 mph - N/A   Mostly Cloudy
3:58 AM 64.2 °F 59.5 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:58 AM 62.2 °F 59.5 °F 91% 30.11 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:58 AM 61.5 °F 59.4 °F 93% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:58 AM 63.5 °F 59.9 °F 88% 30.12 in 10.0 mi East 2.3 mph - N/A   Mostly Cloudy
7:58 AM 67.8 °F 61.3 °F 80% 30.13 in 10.0 mi South 2.3 mph - N/A   Mostly Cloudy
8:58 AM 70.0 °F 62.4 °F 77% 30.13 in 10.0 mi SSW 2.3 mph - N/A   Mostly Cloudy
9:58 AM 73.4 °F 63.9 °F 72% 30.13 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
10:58 AM 74.5 °F 64.6 °F 71% 30.13 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
11:58 AM 72.9 °F 64.6 °F 75% 30.13 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
1:58 PM 73.8 °F 65.8 °F 76% 30.12 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
2:58 PM 71.8 °F 65.8 °F 81% 30.11 in 10.0 mi ESE 13.8 mph - N/A   Mostly Cloudy
3:58 PM 74.8 °F 65.5 °F 73% 30.10 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
4:58 PM 73.0 °F 64.2 °F 74% 30.09 in 10.0 mi SE 13.8 mph - N/A   Mostly Cloudy
5:58 PM 70.9 °F 64.4 °F 80% 30.09 in 10.0 mi SE 13.8 mph - N/A   Overcast
6:58 PM 69.6 °F 64.0 °F 82% 30.08 in 10.0 mi SE 12.7 mph - N/A   Overcast
7:58 PM 68.2 °F 63.9 °F 86% 30.07 in 10.0 mi SE 11.5 mph - N/A   Overcast
8:58 PM 67.8 °F 63.9 °F 87% 30.07 in 10.0 mi SE 11.5 mph - N/A   Overcast
9:58 PM 68.0 °F 63.3 °F 85% 30.07 in 10.0 mi SE 12.7 mph - N/A   Overcast
10:58 PM 67.1 °F 63.5 °F 88% 30.07 in 10.0 mi SE 10.4 mph - N/A   Mostly Cloudy
11:58 PM 66.9 °F 63.7 °F 89% 30.06 in 10.0 mi SE 11.5 mph - N/A   Overcast